M18.1 - Unilateral primary osteoarthritis of first carpometacarpal joint

  • Applicable to Unilateral primary osteoarthritis of first carpometacarpal joint
  • The 2025 edition of ICD10-CM M18.1 became effective on October 1, 2024.
  • This is the American ICD10-CM version of M18.1 - other international versions of ICD10 M18.1 may differ.
  • M18.1 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • M18.1 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
  • M18.1 - Unilateral primary osteoarthritis of first carpometacarpal joint
    • M18.1 - Unilateral primary osteoarthritis of first carpometacarpal joint
    • M18.10 - Unilateral primary osteoarthritis of first carpometacarpal joint, unspecified hand
    • M18.11 - Unilateral primary osteoarthritis of first carpometacarpal joint, right hand
    • M18.12 - Unilateral primary osteoarthritis of first carpometacarpal joint, left hand

 Inclusion Term

  • Primary osteoarthritis of first carpometacarpal joint NOS

The following codes above M18.1 contain annotation back-references that may be applicable to M18.1:

Chapter: M00-M99 Diseases of the musculoskeletal system and connective tissue

Section: M15-M19 Osteoarthritis

Category: M18 Osteoarthritis of first carpometacarpal joint

joint icd 10
 
unilateral icd 10
 
first icd 10
 
primary icd 10
 
osteoarthritis icd 10
 
carpometacarpal icd 10
 
Non-Billable/Non-Specific Code

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